<!DOCTYPE HTML>
<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>团购——限时抢</title>
    <link rel="stylesheet" href="style.css" />
</head>

<body>
    <div class="content3">
        <div class="time">还剩 <span id="LeftTime"></span></div>
    </div>
    <script>
        var sh;
        function FreshTime() {
            var endtime = new Date("2019/5/15,12:20:12");//结束时间
            var nowtime = new Date();//当前时间
            var lefttime = parseInt((endtime.getTime() - nowtime.getTime()) / 1000);
            d = parseInt(lefttime / (60 * 60 * 24));
            h = parseInt(lefttime / (60 * 60) % 24);
            m = parseInt(lefttime / 60 % 60);
            s = parseInt(lefttime % 60);

            document.getElementById("LeftTime").innerHTML = d + "天" + h + "小时" + m + "分" + s + "秒";
            if (lefttime <= 0) {
                document.getElementById("LeftTime").innerHTML = "团购已结束";
                clearInterval(sh);
            }
            else {
                sh = setTimeout("FreshTime()", 500);;
            }
        }
        FreshTime()


    </script>
</body>

</html>